#4B78E6#4B78E6

#4B78E6 is a mid, vivid blue. Relative luminance 0.206; OKLCH L 59.8% C 0.174 H 264.9°. Best body text is #000000 at 5.13:1 contrast (WCAG AA passes).

Color values

HEX	#4B78E6
RGB	rgb(75, 120, 230)
HSL	hsl(223, 76%, 60%)
HSV	hsv(223, 67%, 90%)
CMYK	cmyk(67.4%, 47.8%, 0%, 9.8%)
CIE-LAB	lab(52.55, 20.09, -60.43)
CIE-LCH	lch(52.55, 63.68, 288.39°)
OKLab	oklab(59.8% -0.0155 -0.1732)
OKLCH	oklch(59.8% 0.174 264.9)
XYZ	xyz(23.8961, 20.6396, 77.5721)
Luminance	0.2064 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B78E6 #E6B94B

analogous

#4BC5E6 #4B78E6 #6C4BE6

triadic

#4B78E6 #E64B78 #78E64B

tetradic

#4B78E6 #E64BC5 #E6B94B #4BE66C

square

#4B78E6 #E64BC5 #E6B94B #4BE66C

split-complementary

#4B78E6 #E66C4B #C5E64B

monochromatic

#163EA0 #1E53D6 #4B78E6 #81A0ED #B6C9F5

Accessibility & contrast

On white

4.09

#4B78E6 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.13

#4B78E6 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4B78E6

5.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B78E6	#FFFFFF	#000000	##000000
##4B78E6	1.00	4.09	5.13	5.13
#FFFFFF	4.09	1.00	21.00	21.00
#000000	5.13	21.00	1.00	1.00
##000000	5.13	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D85EA

Deuteranopia (green-blind)

#1477E4

Tritanopia (blue-blind)

#0092A4

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #4b78e6;
/* rgb */ color: rgb(75, 120, 230);
/* oklch */ color: oklch(59.8% 0.174 264.9);

Tailwind

colors: {
  custom: {
    50: '#8e9eee',
    500: '#4b78e6',
    950: '#000000',
  },
}

SCSS

$custom: #4b78e6;
$custom-light: #8e9eee;
$custom-dark: #000000;

JSON

{
  "hex": "#4b78e6",
  "rgb": {
    "r": 75,
    "g": 120,
    "b": 230
  },
  "hsl": {
    "h": 222.581,
    "s": 75.61,
    "l": 59.804
  },
  "oklch": {
    "l": 0.59798,
    "c": 0.17392,
    "h": 264.9
  },
  "luminance": 0.20642
}

Semantic roles & 50–950 ramp

primary

#4B78E6

secondary

#E4D3A8

accent

#BB36F2

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0E0E16

muted

#7E7E84

Preview Lab

Preview with #4B78E6

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →